@mixin use-flex($align-items: normal, $justify-content: normal, $flex-direction: row) {
  display: flex;
  align-items: $align-items;
  justify-content: $justify-content;
  flex-direction: $flex-direction;
}

// 多行省略
@mixin clamp($count: 3) {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: $count;
  overflow: hidden;
}
